汕头500kV变电站主变过励磁保护配置及运行管理  

Over Excitation Protection Configuration of Main Transformer and Operation Management in 500 kV Substation

作　　者：李清波 

机构地区：[1]汕头电力工业局,广东汕头515041

出　　处：《电力自动化设备》2001年第1期54-56,共3页Electric Power Automation Equipment

摘　　要：结合 50 0kV变压器实际运行中出现的各种过励磁情况 ,对ABB公司过励磁保护从原理、动作性能上进行分析 ,导出该保护特性与三菱公司变压器过励磁能力在某些点上不能完全匹配的缺陷 。Combined with various over excitation situations happened in the operation of 500 kV transformer, the principle and performance of ABB over excitation protection is analyzed. The drawbacks in the complete matching of the protection characteristic with the over excitation capacity of Mitsubishi transformer at some points is indicated, and some improvement suggestions are put forward.

关 键 词：变电站 电力变压器 过励磁保护 单相自耦变压器 运行管理 

分 类 号：TM63[电气工程—电力系统及自动化] TM411.306